Answer:
r
Step-by-step explanation:
vhgjhvjgvjuggfgiydbugvjuyr7gh97ciufjitvhi7gbitbk
14/16 or 28/32 but can’t be more simplified
Answer:153.94
Step-by-step explanation:circumference is πr^2
π × 49 = 153.93804
Nearest hundredth count two digits after the decimal(to make an hundredth), then round off with the third number
Answer: 
Step-by-step explanation:
The formula for the lateral area of a cone
is:

Where:
is the radius of the circular base of the cone
As we know its diameter
, its radius is 
is the height of the cone

This is the lateral area of the volcano with the shape of a cone
Answer:
2:1
Step-by-step explanation:
2/3 of the class is girls, so that means 1/3 of the class is boys. Make the number of people in the class x. The equasion would be (2/3x)/(1/3x) This simplifies to 2:1